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The Orbital Description of the Alkene Double Bond
The Orbital Description of the Alkene Double Bond – In a Lewis structure, the double bond of an alkene is…
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SN1 Reaction – Nucleophilic Substitution reaction
SN1 Reaction: First-Order Nucleophilic Substitution – When tert-butyl bromide is placed in boiling methanol, methyl tert butyl ether can be…
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How to determine the order of reaction?
Determination of the order of reaction – There are at least four different methods to determine the order of reaction…
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Characteristics of Chemical Equilibrium
Chemical Equilibrium is the state of a reversible reaction when the two opposing reactions occur at the same rate and…
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Heisenberg’s uncertainty Principle
– Heisenberg’s uncertainty Principle: As it is impossible to know the position and the velocity of any one electron on…
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Chemical Equations – Writing and Balancing Chemical Equations
– In this subject, we will discuss Writing and Balancing Chemical Equations. Chemical Reactions and Chemical Equations – A chemical…
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Measuring Volume by Pipets, Burets, Volumetric Flask
– The precise measurement of volume is as important to many analytical methods as the precise measurement of mass. (1)…
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Indicators and Solutions for acid-base titration
– In this topic, we will discuss the Indicators and Solutions for acid-base titration. Indicators and Solutions for acid-base titration…
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Free Download Electrochemistry book (Principles and Applications)
– In this subject, we will discuss Free Download Electrochemistry book (Principles, Methods, and Applications) The Preface of Electrochemistry book…
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Concise Physical Chemistry book by Donald W.Rogers
– In this subject, we will discuss the free download of Concise Physical Chemistry book by Donald W.Rogers The Preface…
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Amino acids – Structure of Amino acids
Structure of Amino acids – Although more than 300 different amino acids have been described in nature, only 20 are…
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Protein Secondary Structure
– In the last topic in Biochemistry section , we discussed The Protein Primary Structure but now we will talk…
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Gaseous state – Online MCQ test
Online MCQ test on gaseous state – In this topic we offer you, online MCQ test in the fundmental of…
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Structure of atom – Classical mechanics – Online MCQ test
Online MCQ test on Structure of atom – Classical mechanics – In this topic we offer you, online MCQ test…













